A solid choice for building in Central. Defined zoning, low flood risk, and reasonable land prices.
📊65/100AcreScore
💰$13KLand $/acre
🏠$265KHome Value
👥151,140Population
📈+0.5%Growth (10yr)
🌊8%Flood RiskLow
🌡️East-central Iowa climateClimateZone 5a
🏗️ Can You Build Here?
Johnson County has local zoning regulations. Check with the county building department for specific rules on your parcel. Barndominiums may require conditional use permits in some zones.
Zone
Min Lot
Barndo OK?
Residential
Varies
⚠️ Conditional
Agricultural
None
✅ Yes
Commercial
Varies
❌ No
Johnson County has local zoning. Contact the county building department for specific regulations.
📋 What Permits Do You Need?
Most states allow owner-builders to act as their own general contractor for personal residences. Check Iowa requirements — licensed subs are typically needed for electrical, plumbing, and HVAC.
Required Permits
• Building permit (residential)
• Septic permit (if no public sewer)
• Electrical permit
• Plumbing permit
Permit Office
Johnson County Building Department
Iowa City, IA
Contact county clerk for current hours and requirements
🌊 What's the Flood & Soil Risk?
Moderate flood risk. 8% of county land is in FEMA flood zones. Most buildable parcels are outside hazard areas, but always verify your specific site.
8%
In Flood Zone
Good
Soil Drainage
Good
Septic Viability
Source: FEMA National Flood Hazard Layer, USDA Web Soil Survey
💰 What Does It Cost?
Affordable land market. At roughly $12,800 per acre, Johnson County offers good value for builders looking for rural acreage.
$13K
Median $/acre
$265K
Median Home Value
$120–200
Build Cost $/sqft
1.5%
Property Tax Rate
Source: U.S. Census Bureau ACS 2024, Johnson County Assessor
🏔️ Why People Love Living Here
Johnson County sits in the heart of Central. Iowa City is 0 min away. Iowa has a state income tax — factor that into your cost-of-living calculations.
📈
Steady Community
A stable community with steady growth — less speculation, more authentic rural living.
🏠
Established Community
Zoning provides predictability — you know what your neighbors can and can't build. Good for long-term property value.
At a Glance
Population151,140
10-Year Growth+0.5%
County SeatIowa City
State Income TaxYes
ClimateEast-central Iowa climate (Zone 5a)
How Close Is Everything?
Iowa City0 min
The Eastern Iowa Airport20 min
Austinvaries
💧 Utilities & Infrastructure
Most rural Johnson County land uses well water and septic systems. Municipal utilities are available near Iowa City. Check with local utility providers for your specific parcel.
Electric ProviderLocal Co-op / TXU
WaterWell or Municipal
SewerSeptic (most rural)
InternetVaries by location
Cell CoverageGood
Natural GasPropane common in rural areas
🏦 Financing & Incentives
Johnson County qualifies for USDA Rural Development loans — zero-down-payment financing for eligible buyers in most areas.
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❓ Frequently Asked Questions
Can I build a barndominium in Johnson County?
Check with the Johnson County Building Department for specific zoning rules on your parcel. Some zones allow barndominiums outright, others may require conditional use permits.
How much does land cost in Johnson County?
Median price is approximately $12,800 per acre, though prices vary by location, road access, and improvements. USDA Rural Development loans may be available for eligible buyers.
Is Johnson County eligible for USDA Rural Development loans?
Yes — most of Johnson County qualifies for USDA Rural Development programs, including zero-down-payment home loans for eligible buyers.
What is the property tax rate in Johnson County?
The effective property tax rate is approximately 1.5%. Check with the county assessor for the most current rates and any available homestead exemptions.
Do I need a licensed contractor to build in Johnson County?
Most states allow owner-builders to act as their own general contractor for personal residences, though requirements vary by state and county. In Iowa, check local building codes for specific licensing requirements. You'll typically need licensed professionals for electrical, plumbing, and HVAC work.